Westcott 10ths/Metric Beveled Ruler, 6-Inch/15cm (B-55) 6"/15cm, 10ths/Metric Beveled Ruler calibrated in 10ths to the inch and millimeter graduations. 1" tall x 6" wide Laminated for durability Translucent color allowing for viewing through to the page Zero centering feature finds the center point quickly and accurately by aligning the zero Perfect for your drafting and drawing needs